Table 1.
Population characteristics of 73 male unionized trucking industry workers included in HRM profiling
| Characteristic | Total |
|---|---|
| Number of individuals | 73 |
| Age (years, mean±SD) | 49.8 ± 8.3 |
| BMI (mean±SD) | 29.8 ± 4.5 |
| Race (n, (%)) | |
| White | 68 (93%) |
| Hispanic | 5 (7%) |
| Primary job title (n, (%)) | |
| Pick-up and delivery driver | 38 (52%) |
| Dockworker | 14 (19%) |
| Officeworker | 21 (29%) |
| Average first day of work exposures (mean±SD) | |
| PM2.5 (μg/m3) | 10.0 ± 5.7 |
| EC (μg/m3) | 0.6 ± 0.5 |
| OC (μg/m3) | 8.8 ± 2.9 |
| Average last day of work exposures (mean±SD) | |
| PM2.5 (μg/m3) | 9.7 ± 4.8 |
| EC (μg/m3) | 0.6 ± 0.4 |
| OC (μg/m3) | 8.6 ± 4.3 |
| Average work-week exposures (mean±SD) | |
| PM2.5 (μg/m3) | 10.0 ± 4.5 |
| EC (μg/m3) | 0.6 ± 0.4 |
| OC (μg/m3) | 8.7 ± 3.1 |
| Median work-week exposures (median, IQR) | |
| PM2.5 (μg/m3) | 9.7, 6.3 |
| EC (μg/m3) | 0.5, 0.6 |
| OC (μg/m3) | 8.9, 4.0 |